Granulocytes Donation
Medically reviewed on August 10, 2026.
What is a granulocyte donation?
Granulocytes are a type of white blood cell and they are only collected upon a physician’s request for a specific patient need.
What is the function of granulocytes?
Granulocytes are immune cells that help defend the body against invading microorganisms. Neutrophils, a major type of granulocyte, are particularly important in fighting bacterial infections.
Why would someone need a granulocyte donation?
Granulocyte are transfused to very ill patients with life-threatening bacterial or fungal infections. These patients have severely decreased or non-functioning neutrophils, often following cancer treatment or stem cell transplantation, and are not improving despite treatment with antibiotics or antifungal medications.